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Finding the Fourth Proportional to 534,231.51, 737,236.78 and 292,509.69

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Solution

The fourth proportional to 534,231.51, 737,236.78 and 292,509.69 is: 403,661.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,231.51 : 737,236.78 = 292,509.69 : x
  2. Step 2: Convert to fraction form
    534,231.51/737,236.78 = 292,509.69/x
  3. Step 3: Cross multiply
    534,231.51x = 737,236.78 × 292,509.69
  4. Step 4: Simplify right side
    534,231.51x = 215,648,901,974.40
  5. Step 5: Solve for x
    x = 215,648,901,974.40/534,231.51
  6. Step 6: Final answer
    x = 403,661.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.